Chromista

known marine species

• Appeltans et al: 19444

number of new species decribed 1999-2008

• Appeltans et al: 790

percent of marine species currently described

• Appeltans et al: 25 (max)
• Appeltans et al: 21 (minimum)

total species (expert opinion)

• Appeltans et al: 93923 (max)
• Appeltans et al: 77930 (minimum)

total unknown species (statistical model)

• Appeltans et al: 4200 (max)
• Appeltans et al: 3500 (minimum)